| 实时三维超声心动图容积-时间曲线评价扩张型心肌病患者左心室收缩及舒张早期同步性 |
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| 引用本文： | 崔亮,叶雪存,张学洪,王卫真.实时三维超声心动图容积-时间曲线评价扩张型心肌病患者左心室收缩及舒张早期同步性[J].中国医学影像技术,2011,27(6):1188-1192. |
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| 作者姓名： | 崔亮 叶雪存 张学洪 王卫真 |
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| 作者单位： | 江西省人民医院超声科,江西,南昌,330006 |
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| 摘 要： | 目的 应用实时三维超声心动图(RT-3DE)容积-时间曲线(VTC)评价扩张型心肌病(DCM)患者左心室收缩期及舒张早期同步性。 方法 对37例DCM患者(DCM组)和27名正常人(对照组)行RT-3DE检查,分析其VTC,得出左心室16节段、12节段、6节段心肌收缩期最小容积达峰时间标准差(Tmsv-SD)及舒张早期容积的时间标准差(Tedv-SD),用R-R间期标准化后,作为收缩期不同步化指数(SDI)、舒张早期不同步化指数(DDI)。 结果 ①与对照组比较,DCM组左心室收缩期及舒张早期不同步化指数差异均有统计学意义。②在DCM组中,心肌收缩期SDI及舒张早期DDI均与左心室射血分数(LVEF)呈负相关。 结论 DCM患者左心室既存在收缩不同步,也存在舒张早期不同步。
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| 关 键 词： | 超声心动描记术 实时三维 同步 心肌疾病 |
| 收稿时间： | 2010/10/18 0:00:00 |
| 修稿时间： | 3/5/2011 12:00:00 AM |
Assessment of left ventricular systolic and early diastolic synchrony in patients with dilated cardiomyopathy using real-time three-dimensional echocardiographic volume-time curves |
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| CUI Liang,YE Xue-cun,ZHANG Xue-hong and WANG Wei-zhen.Assessment of left ventricular systolic and early diastolic synchrony in patients with dilated cardiomyopathy using real-time three-dimensional echocardiographic volume-time curves[J].Chinese Journal of Medical Imaging Technology,2011,27(6):1188-1192. |
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| Authors: | CUI Liang YE Xue-cun ZHANG Xue-hong and WANG Wei-zhen |
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| Institution: | Department of Ultrasound, Jiangxi Province People's Hospital, Nanchang 330006, China;Department of Ultrasound, Jiangxi Province People's Hospital, Nanchang 330006, China;Department of Ultrasound, Jiangxi Province People's Hospital, Nanchang 330006, China;Department of Ultrasound, Jiangxi Province People's Hospital, Nanchang 330006, China |
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| Abstract: | Objective To evaluate the left ventricular systolic and early diastolic synchrony in patients with dilated cardiomyopathy(DCM) using real time three-dimensional echocardiography(RT-3DE) volume-time curves(VTC).Methods Thirty-seven patients with DCM(DCM group) and 27 healthy subjects(control group) were examined with RT-3DE.VTC of two groups were analyzed.Standard deviation of time to minimal systolic volume(Tmsv-SD),and standard deviation of time to early diastolic volume(Tedv-SD) about 16,12,6 segments wer... |
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| Keywords: | Echocardiography Real time three-dimensional Synchrony Myocardial diseases |
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